use sea_orm_migration::prelude::*;
#[derive(DeriveMigrationName)]
pub struct Migration;
#[async_trait::async_trait]
impl MigrationTrait for Migration {
async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.rename_column(Asset::IssuedSupply, Asset::InitialSupply)
.to_owned(),
)
.await?;
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.add_column(ColumnDef::new(Asset::MaxSupply).string().null())
.to_owned(),
)
.await?;
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.add_column(
ColumnDef::new(Asset::KnownCirculatingSupply)
.string()
.null(),
)
.to_owned(),
)
.await?;
Ok(())
}
async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.rename_column(Asset::InitialSupply, Asset::IssuedSupply)
.to_owned(),
)
.await?;
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.drop_column(Asset::MaxSupply)
.to_owned(),
)
.await?;
manager
.alter_table(
Table::alter()
.table(Asset::Table)
.drop_column(Asset::KnownCirculatingSupply)
.to_owned(),
)
.await?;
Ok(())
}
}
#[derive(DeriveIden)]
pub enum Asset {
Table,
IssuedSupply,
InitialSupply,
MaxSupply,
KnownCirculatingSupply,
}